Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 4, NWS Milwaukee, WI

May 10, 2003Dodge County, Jefferson County, Wisconsin

NWS Milwaukee, WI issued this severe thunderstorm warning at May 10, 2003, 9:12 PM CDT for Dodge County, Jefferson County, Wisconsin. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 10, 2003, 9:12 PM CDT (02:12 UTC)
Expired: May 10, 2003, 10:00 PM CDT
In force: 48 min
Issued by: NWS Milwaukee, WI
Area: Counties, with a storm outline in the text

Counties Dodge County, WI, Jefferson County, WI

The radar

The Milwaukee radar (KMKX), 27 km from the middle of the area, began a volume at 02:14 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 10, 8:05 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 00:00Z, 2.2 hours before the alert went out and 162 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1098 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: -36 m²/s²
0-3 km storm-relative helicity: 23 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

221 
WUUS53 KMKX 110212
SVRMKX
WIC027-055-110300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
911 PM CDT SAT MAY 10 2003

THE NATIONAL WEATHER SERVICE IN SULLIVAN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DODGE COUNTY IN SOUTHEAST WISCONSIN
  JEFFERSON COUNTY IN SOUTHEAST WISCONSIN

* UNTIL 1000 PM CDT

* AT 911 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 3 MILES EAST OF JEFFERSON...MOVING NORTHEAST AT
  45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WATERTOWN AT 920 PM CDT.
  CLYMAN AT 930 PM CDT.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN AND DO PRODUCE TORNADOES WITH LITTLE OR NO
ADVANCE WARNING.

HAIL UP TO ONE INCH IN DIAMETER AND WINDS GREATER THAN 60 MILES AN
HOUR ARE EXPECTED FROM THIS STORM. SEEK SHELTER IN A STURDY STRUCTURE
UNTIL THE STORM HAS PASSED.

LAT...LON 4304 8899 4290 8879 4306 8857 4329 8854
          4335 8899

$$

HENTZ

The office that day

Everything else NWS Milwaukee, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 10, 7:42 PM CDT	Severe Thunderstorm Warning	MKX	Marquette	48 min
May 10, 8:22 PM CDT	Severe Thunderstorm Warning	MKX	Green Lake, Marquette	38 min
May 10, 8:25 PM CDT	Tornado Warning	MKX	Iowa, Lafayette	65 min
May 10, 8:56 PM CDT	Tornado Warning	MKX	Dane	64 min
May 10, 9:23 PM CDT	Severe Thunderstorm Warning	MKX	Dodge, Jefferson	37 min
May 10, 9:24 PM CDT	Tornado Warning	MKX	Iowa, Sauk	66 min
May 10, 9:35 PM CDT	Tornado Warning	MKX	Columbia, Dane	55 min
May 10, 10:15 PM CDT	Severe Thunderstorm Warning	MKX	Dodge	60 min
May 10, 10:21 PM CDT	Special Marine Warning	MKX		54 min
May 10, 10:21 PM CDT	Special Marine Warning	MKX		54 min
May 10, 10:39 PM CDT	Tornado Warning	MKX	Dodge	66 min
May 10, 11:04 PM CDT	Tornado Warning	MKX	Dodge, Fond du Lac, Washington	56 min

Nearby

Severe Thunderstorm Warnings in Wisconsin, 2003 Every severe thunderstorm warning in 2003

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.